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Papers
6 resultsShowing papers from Ministry of Agriculture
ClearA novel Bacillus velezensis strain with the ability to simultaneously biodegrade polystyrene microplastics and fungicide carbendazim
Researchers isolated a new bacterial strain, Bacillus velezensis M1, from contaminated soil that can break down both polystyrene microplastics and the fungicide carbendazim simultaneously. Over 60 days, the bacterium reduced polystyrene mass by about 11% and carbendazim by nearly 57%, with even better performance when both pollutants were present together. The discovery suggests that naturally occurring soil bacteria could be harnessed for bioremediation of environments contaminated with multiple types of pollutants.
Improving efficiency of bacterial degradation of polyethylene microplastics using atmospheric and room temperature plasma mutagenesis
Researchers used a genetic mutation technique called ARTP to enhance a bacterium's ability to break down polyethylene microplastics, achieving up to 53.65% greater degradation efficiency. After 50 days, the modified bacterium significantly reduced the molecular weight and altered the structure of the plastic particles. Gene analysis revealed that increased expression of laccase enzymes likely drove the improved plastic-degrading performance.
The Safety and Quality of Staple Root and Tuber Crops: A Review on Hazards, Detection Methods, and Mitigation Strategies
This review systematically examined safety hazards, detection methods, and mitigation strategies for staple root and tuber crops including potatoes, cassava, and yams. Covered hazards included pesticides, heavy metals, and emerging contaminants like microplastics that can accumulate in these staple foods.
Application of Acinetobacter radioresistens to promote the growth of Cucumis sativus L. contaminated with polystyrene microplastics
Researchers tested the effects of adding polystyrene microplastics and the bacterium Acinetobacter radioresistens to soil on the growth of cucumber (Cucumis sativus L.) seedlings. Combined inoculation with A. radioresistens increased cucumber height, stem length, and leaf area relative to PS-MPs alone, and shifted rhizosphere microbial community structure, demonstrating the potential for MP-tolerant bacteria to support plant growth in contaminated soils.
Mitigating the effects of polyethylene microplastics on Pisum sativum L. quality by applying microplastics-degrading bacteria: A field study
A field experiment found that adding microplastic-degrading bacteria to polyethylene microplastic-contaminated pea cropland mitigated the effects on soil hydrolyzable nitrogen content, increased Shannon diversity of soil microorganisms, and partially restored normal soil microbial community structure.
Integrated metabolomics and transcriptomics reveal the hormesis-like effects of polyethylene microplastics on Pisum sativum L
Researchers used integrated metabolomics and transcriptomics to investigate hormesis-like effects of microplastics — where low concentrations stimulate while higher concentrations inhibit biological processes. The multi-omics approach revealed complex dose-dependent molecular responses to microplastic exposure.